Home / 1,583.39-2,181.80-1,346.51

Finding the Fourth Proportional to 1,583.39, 2,181.80 and 1,346.51

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Solution

The fourth proportional to 1,583.39, 2,181.80 and 1,346.51 is: 1,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.39 : 2,181.80 = 1,346.51 : x
  2. Step 2: Convert to fraction form
    1,583.39/2,181.80 = 1,346.51/x
  3. Step 3: Cross multiply
    1,583.39x = 2,181.80 × 1,346.51
  4. Step 4: Simplify right side
    1,583.39x = 2,937,808.79
  5. Step 5: Solve for x
    x = 2,937,808.79/1,583.39
  6. Step 6: Final answer
    x = 1,855.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.